2083391 has 4 divisors (see below), whose sum is σ = 2087784. Its totient is φ = 2079000.

The previous prime is 2083387. The next prime is 2083399. The reversal of 2083391 is 1933802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2083391 - 2² = 2083387 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2083391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2083399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (521946).

2^2083391 is an apocalyptic number.

2083391 is a deficient number, since it is larger than the sum of its proper divisors (4393).

2083391 is an equidigital number, since it uses as much as digits as its factorization.

2083391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2083391 is about 1443.3956491551. The cubic root of 2083391 is about 127.7194171350.

The spelling of 2083391 in words is "two million, eighty-three thousand, three hundred ninety-one".